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allowed to add text before and after link in HyperlinkLabel

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This commit is contained in:
nik
2010-07-16 16:32:24 +04:00
parent f6504d5761
commit a9aabaf37b
2 changed files with 67 additions and 27 deletions
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platform/platform-api/src/com/intellij/ui/HighlightableComponent.java
+42 -16
View File
@@ -20,6 +20,7 @@ import com.intellij.openapi.editor.markup.EffectType;
import com.intellij.openapi.editor.markup.TextAttributes;
import com.intellij.util.ui.UIUtil;
import gnu.trove.TIntObjectHashMap;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
@@ -347,6 +348,29 @@ public class HighlightableComponent extends JComponent {
return myIcon.getIconWidth() + myIconTextGap;
}
@Nullable
public HighlightedRegion findRegionByX(int x) {
FontMetrics defFontMetrics = getFontMetrics(getFont());
int width = getTextOffset();
if (width > x) return null;
if (myText.length() != 0 && myHighlightedRegions.size() != 0) {
int endIndex = 0;
for (HighlightedRegion hRegion : myHighlightedRegions) {
width += defFontMetrics.stringWidth(myText.substring(endIndex, hRegion.startOffset));
endIndex = hRegion.endOffset;
if (width > x) return null;
String text = getRegionText(hRegion);
FontMetrics fontMetrics = myFontMetrics.get(hRegion.textAttributes.getFontType());
width += fontMetrics.stringWidth(text);
if (width > x) return hRegion;
}
}
return null;
}
public Dimension getPreferredSize() {
FontMetrics defFontMetrics = getFontMetrics(getFont());
@@ -359,24 +383,10 @@ public class HighlightableComponent extends JComponent {
else{
int endIndex = 0;
for (HighlightedRegion hRegion : myHighlightedRegions) {
String text = myText.substring(endIndex, hRegion.startOffset);
width += defFontMetrics.stringWidth(myText.substring(endIndex, hRegion.startOffset));
endIndex = hRegion.endOffset;
width += defFontMetrics.stringWidth(text);
if (hRegion.endOffset > myText.length()) {
if (hRegion.startOffset < myText.length()) {
text = myText.substring(hRegion.startOffset);
}
else {
text = "";
}
}
else {
text = myText.substring(hRegion.startOffset, hRegion.endOffset);
}
String text = getRegionText(hRegion);
FontMetrics fontMetrics = myFontMetrics.get(hRegion.textAttributes.getFontType());
width += fontMetrics.stringWidth(text);
}
@@ -392,4 +402,20 @@ public class HighlightableComponent extends JComponent {
return new Dimension(width + 2, height);
}
private String getRegionText(HighlightedRegion hRegion) {
String text;
if (hRegion.endOffset > myText.length()) {
if (hRegion.startOffset < myText.length()) {
text = myText.substring(hRegion.startOffset);
}
else {
text = "";
}
}
else {
text = myText.substring(hRegion.startOffset, hRegion.endOffset);
}
return text;
}
}
platform/platform-api/src/com/intellij/ui/HyperlinkLabel.java
+25 -11
View File
@@ -51,7 +51,7 @@ public class HyperlinkLabel extends HighlightableComponent {
myTextEffectColor = textEffectColor;
enforceBackgroundOutsideText(textBackgroundColor);
setHyperlinkText(text);
enableEvents(AWTEvent.MOUSE_EVENT_MASK);
enableEvents(AWTEvent.MOUSE_EVENT_MASK | AWTEvent.MOUSE_MOTION_EVENT_MASK);
}
public void addNotify() {
@@ -60,7 +60,11 @@ public class HyperlinkLabel extends HighlightableComponent {
}
public void setHyperlinkText(String text) {
prepareText(text, myTextForegroundColor, myTextBackgroundColor, myTextEffectColor);
setHyperlinkText("", text, "");
}
public void setHyperlinkText(String beforeLinkText, String linkText, String afterLinkText) {
prepareText(beforeLinkText, linkText, afterLinkText);
revalidate();
adjustSize();
}
@@ -72,24 +76,34 @@ public class HyperlinkLabel extends HighlightableComponent {
protected void processMouseEvent(MouseEvent e) {
if (e.getID() == MouseEvent.MOUSE_ENTERED) {
setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
}
else if (e.getID() == MouseEvent.MOUSE_EXITED) {
if (e.getID() == MouseEvent.MOUSE_EXITED) {
setCursor(Cursor.getDefaultCursor());
}
else if (UIUtil.isActionClick(e, MouseEvent.MOUSE_PRESSED)) {
else if (UIUtil.isActionClick(e, MouseEvent.MOUSE_PRESSED) && isOnLink(e.getX())) {
fireHyperlinkEvent();
}
super.processMouseEvent(e);
}
private void prepareText(String text, final Color textForegroundColor, final Color textBackgroundColor, final Color textEffectColor) {
@Override
protected void processMouseMotionEvent(MouseEvent e) {
if (e.getID() == MouseEvent.MOUSE_MOVED) {
setCursor(isOnLink(e.getX()) ? Cursor.getPredefinedCursor(Cursor.HAND_CURSOR) : Cursor.getDefaultCursor());
}
super.processMouseMotionEvent(e);
}
private boolean isOnLink(int x) {
return findRegionByX(x) != null;
}
private void prepareText(String beforeLinkText, String linkText, String afterLinkText) {
setFont(UIUtil.getLabelFont());
myHighlightedText = new HighlightedText();
myHighlightedText.appendText(text, new TextAttributes(
textForegroundColor, textBackgroundColor, textEffectColor, EffectType.LINE_UNDERSCORE, Font.PLAIN
));
myHighlightedText.appendText(beforeLinkText, null);
myHighlightedText.appendText(linkText, new TextAttributes(myTextForegroundColor, myTextBackgroundColor, myTextEffectColor,
EffectType.LINE_UNDERSCORE, Font.PLAIN));
myHighlightedText.appendText(afterLinkText, null);
myHighlightedText.applyToComponent(this);
adjustSize();
}